-99.23% is the change from 780 to 6
Calculation steps:
[( 6 - 780 ) ÷ 780] x 100 = -99.23%
Formula
Percentage change = [(6 - 780) / 780] x 100
Subtract the new number by the original number
6 - 780 = -774
-774 ÷ 780 = -0.9923076923076923
-0.9923076923076923 x 100 = -99.23%